40020435160 has 32 divisors (see below), whose sum is σ = 93961023840. Its totient is φ = 15312166144.

The previous prime is 40020435139. The next prime is 40020435163. The reversal of 40020435160 is 6153402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020435163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21749317 + ... + 21751156.

It is an arithmetic number, because the mean of its divisors is an integer number (2936281995).

Almost surely, 2^40020435160 is an apocalyptic number.

40020435160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40020435160 is an abundant number, since it is smaller than the sum of its proper divisors (53940588680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40020435160 is a wasteful number, since it uses less digits than its factorization.

40020435160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43500507 (or 43500503 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 40020435160 its reverse (6153402004), we get a palindrome (46173837164).

The spelling of 40020435160 in words is "forty billion, twenty million, four hundred thirty-five thousand, one hundred sixty".